Finding the Third Proportional to 2,143,804 and 3,412,506

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,804 : 3,412,506 = 3,412,506 : x
2. Step 2: Convert to fraction form
   2,143,804/3,412,506 = 3,412,506/x
3. Step 3: Cross multiply
   2,143,804x = 3,412,506 × 3,412,506
4. Step 4: Simplify right side
   2,143,804x = 11,645,197,200,036
5. Step 5: Solve for x
   x = 11,645,197,200,036/2,143,804
6. Step 6: Final answer
   x = 5,432,025.13